[apops] Weekly Routing Table Report

  • To: apops at lists dot apnic dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis <cscora at dev dot apnic dot net>
  • Date: Fri, 4 May 2001 04:04:36 +1000 (EST)
  • Reply-to: pfs@cisco.com
  • Sender: owner-apops@lists.apnic.net
    • This is an automated weekly mailing describing the state of the Internet
      Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04 May, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            103810
      Origin ASes present in the Internet Routing Table:              10703
      Origin ASes announcing only one prefix:                          3895
      Transit ASes present in the Internet Routing Table:              1444
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    15
      Illegal AS announcements present in the Routing Table:             15
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:     1
      Number of addresses announced to Internet:                 1246077232
          Equivalent to 74 /8s, 69 /16s and 161 /24s
          Percentage of available address space announced:             33.6
          Percentage of allocated address space announced:             64.8
          Percentage of available address space allocated:             51.9
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  15211
      Prefixes being announced from the APNIC address blocks:         13775
      APNIC Region origin ASes present in the Internet Routing Table:  1213
      APNIC Region origin ASes announcing only one prefix:              437
      APNIC Region transit ASes present in the Internet Routing Table:  206
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             70563339
          Equivalent to 4 /8s, 52 /16s and 182 /24s
          Percentage of available APNIC address space announced:       69.4
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
      APNIC Address Blocks   61/8, 202/7, 210/7 and 218/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   71945
      Prefixes being announced from the ARIN address blocks:          49729
      ARIN Region origin ASes present in the Internet Routing Table:   6532
      ARIN Region origin ASes announcing only one prefix:              1948
      ARIN Region transit ASes present in the Internet Routing Table:   691
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        14
      Number of ARIN addresses announced to Internet:             186557918
          Equivalent to 11 /8s, 30 /16s and 165 /24s
          Percentage of available ARIN address space announced:        85.5
      
      ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                             2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
                             3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
                             7723 - 8191, 10240 - 12287, 13312 - 15359
                             16384 - 17407, 18432 - 20479
      ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   16639
      Prefixes being announced from the RIPE address blocks:          12919
      RIPE Region origin ASes present in the Internet Routing Table:   2956
      RIPE Region origin ASes announcing only one prefix:              1508
      RIPE Region transit ASes present in the Internet Routing Table:   546
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:              97641033
          Equivalent to 5 /8s, 209 /16s and 226 /24s
          Percentage of available RIPE address space announced:        64.7
      
      RIPE AS Blocks         1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503
      RIPE Address Blocks    62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /19 equiv  Description
       1221     1789        700       Telstra
       2764      432        147       connect.com.au pty ltd
        703      385        204       UUNET Technologies, Inc.
       2907      361        875       SINET Japan
       4755      315        110       VSNL India
       4538      243       1056       China Education and Research 
       7539      213         97       Delegated to TWNIC for subseq
       4134      194        632       Data Communications Bureau
       7474      190         85       Optus Communications
       7657      180         13       The Internet Group Limited
       1237      154         70       System Engineering Research I
       7545      153         10       TPG Internet Pty Ltd
      17561      151         61       Internet service provision to
       4740      150         10       Ozemail
       4766      146        597       KORnet Powered BY Korea Telec
       4786      128          7       NetConnect Communications Pty
       9394      122         19       CHINA RAILWAY TELECOMMUNICATI
       9443      122         22       INTERNETPRIMUS-AS-A
       7586      121          9       Paradox Digital Pty. Ltd
       7617      121         46       One.Net Pty Ltd
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        702      540        801       UUNET Technologies, Inc.
      15870      458          3       Global Center Frankfurt
       3301      390        401       TeliaNet Sweden
       1257      278        263       Swipnet AB
       1270      265        440       UUNET Germany
        680      213        946       Deutschef Forschurgsnetz
       3215      209        221       RAIN
       5515      190        336       Sonera Finland
        719      189        146       LANLINK
        786      185        952       JANET IP Service
       3320      161        710       Deutsche Telekom AG
        517      129        136       Xlink
       5400      128         33       Concert Internet Plus Europea
       3303      122        296       Swisscom
       2856      121        396       BTnet UK Regional network
       8708      121          7       Romania Data System
       1290      102        204       PSINet UK Ltd.
       1267      100        978       IUnet S.p.A
       1901       92         77       EUnet Austria
       1849       89         79       UUNET UK (formerly PIPEX)
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2342       4448       UUNET Technologies, Inc.
        705     1138         54       UUNET Technologies, Inc.
       7018      980       3233       AT&T
          1      958       4464       BBN Planet
       7046      798        564       UUNET Technologies, Inc.
       1239      626       1605       Sprint ICM-Inria
       2914      598       1187       Verio, Inc.
       3561      545       1224       Cable & Wireless USA
      18994      524          6       Crossing 
       3549      501        515       Global Crossing
       4293      475         51       Cable & Wireless USA
        209      447        718       Qwest
        174      428       2696       PSINet Inc.
       2548      407        506       Digital Express Group, Inc.
        690      391         49       Merit Network
       8151      366        228       UniNet S.A. de C.V.
       3908      354        268       Supernet, Inc.
       3602      346         72       Sprint Canada
       3967      339        228       Exodus Communication
       4323      337        136       Time Warner Communications, I
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /19 equiv  Description
        701     2342       4448       UUNET Technologies, Inc.
       1221     1789        700       Telstra
        705     1138         54       UUNET Technologies, Inc.
       7018      980       3233       AT&T
          1      958       4464       BBN Planet
       7046      798        564       UUNET Technologies, Inc.
       1239      626       1605       Sprint ICM-Inria
       2914      598       1187       Verio, Inc.
       3561      545       1224       Cable & Wireless USA
        702      540        801       UUNET Technologies, Inc.
      18994      524          6       Crossing 
       3549      501        515       Global Crossing
       4293      475         51       Cable & Wireless USA
      15870      458          3       Global Center Frankfurt
        209      447        718       Qwest
       2764      432        147       connect.com.au pty ltd
        174      428       2696       PSINet Inc.
       2548      407        506       Digital Express Group, Inc.
        690      391         49       Merit Network
       3301      390        401       TeliaNet Sweden
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      60002   RESERVED      64.76.148.0/24       19583       CHILE S.A. 
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
       1877   UNALLOCATED   192.108.196.0/24      1800       SPRINT
       1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
       1877   UNALLOCATED   192.108.214.0/24      1800       SPRINT
       5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
      60002   RESERVED      200.9.98.0/24         6429       RdC Internet
      60002   RESERVED      200.9.99.0/24         6429       RdC Internet
      65535   PRIVATE       203.24.169.0/24      17486       Swiftel Communicatio
      65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
       5555   UNALLOCATED   205.110.64.0/24        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.68.0/22        721       DLA Systems Automati
       5555   UNALLOCATED   205.110.72.0/21        721       DLA Systems Automati
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Advertised IANA Reserved Addresses
      ----------------------------------
      
      Network            Origin AS  Description
      201.115.100.0/24      7018     AT&T
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:22       /9:4       /10:5       /11:10      /12:29      
      /13:71      /14:203     /15:333     /16:6925    /17:1145    /18:2113    
      /19:6618    /20:5147    /21:4456    /22:6752    /23:8628    /24:59263   
      /25:274     /26:441     /27:361     /28:378     /29:323     /30:246     
      /31:1       /32:62      
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:1         9:3        12:351      13:10       15:1        17:2      
        24:681      26:1        32:12       38:7        44:3        47:1      
        53:2        55:1        57:10       61:29       62:123      63:1914   
        64:1527     65:478      66:315     128:36      129:117     130:21     
       131:25      132:9       133:1       134:166     135:11      136:17     
       137:120     138:246     139:49      140:140     141:164     142:60     
       143:41      144:131     145:9       146:132     147:134     148:170    
       149:125     150:28      151:300     152:726     153:34      154:17     
       155:78      156:41      157:107     158:171     159:76      160:27     
       161:58      162:61      163:134     164:81      165:129     166:178    
       167:134     168:81      169:34      170:261     171:2       192:5384   
       193:1965    194:2075    195:779     196:401     198:3618    199:3377   
       200:1991    201:1       202:2418    203:4788    204:3342    205:2242   
       206:2766    207:2842    208:2950    209:3125    210:492     211:151    
       212:827     213:386     214:9       215:11      216:2966    217:203    
      
      
      End of report
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